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Table 1 Patients' background factors

From: Correlation between high blood IL-6 level, hyperglycemia, and glucose control in septic patients

  Overall Successful glucose control group Failed glucose control group P value
n 153 94 59  
Age (years) 64.6 ± 14.2 65.4 ± 15.1 63.4 ± 12.6 0.394a
Gender (male) 109 (71.2%) 74 (78.7%) 35 (59.3%) < 0.01b
Medical/surgical, medical 57 (37.2%) 36 (38.3%) 21 (35.6%) 0.736b
Diabetes mellitus 41 (26.8%) 24 (25.5%) 17 (28.8%) 0.656b
On ICU admission     
   APACHE II score 23.5 ± 7.0 22.5 ± 7.1 25.2 ± 6.6 0.018a
   SOFA score 8.2 ± 3.5 7.8 ± 3.7 8.7 ± 3.1 0.109a
   White blood cells (/mm3) 14,300 ± 10,300 15,100 ± 10,800 13,000 ± 9,500 0.218a
   C-reactive protein (mg/dl) 19.5 ± 10.0 18.6 ± 9.8 20.8 ± 10.3 0.203a
   Lactate (mg/dl) 3.8 ± 2.8 3.4 ± 2.8 4.4 ± 2.8 0.035a
   IL-6 (pg/ml) 13,800 ± 48,800 5,350 ± 13,800 27,200 ± 75,100 < 0.0001a
Type of sepsis     < 0.001b
   Sepsis 30 (19.6%) 27 (28.7%) 3 (5.1%)  
   Severe sepsis 86 (56.2%) 56 (59.6%) 30 (50.8%)  
   Septic shock 37 (24.2%) 11 (11.7%) 26 (44.1%)  
Primary source of infection     0.276b
   Central nervous system 5 (3.3%) 2 (2.1%) 3 (5.1%)  
   Neck/mediastinum 19 (12.4%) 11 (11.7%) 8 (13.6%)  
   Lung 45 (29.4%) 33 (35.1%) 12 (20.2%)  
   Abdomen 47 (30.7%) 25 (26.6%) 22 (37.3%)  
   Urinary tract 16 (10.5%) 8 (8.5%) 8 (13.6%)  
   Bones/joints/soft tissue 12 (7.8%) 7 (7.4%) 5 (8.5%)  
   Others 9 (5.9%) 8 (8.5%) 1 (1.7%)  
Implementation of enteral nutrition within 7 days 89 (58.2%) 55 (58.5%) 34 (58.2%) 0.914b
Start of enteral nutrition after ICU admission (days) 3.5 ± 2.1 3.7 ± 2.1 3.3 ± 2.1 0.446
  1. Data presented as mean ± standard deviation or n (%). See 'Patient management for glucose control' in Materials and methods for definition of successful glucose control. APACHE, Acute Physiology and Chronic Health Evaluation; SOFA: Sequential Organ Failure Assessment. aUnpaired t test. bChi-square test.